<template>
  <div>
    <div id="ChinaMap" style="width: 600px;height: 400px;"></div>
  </div>
</template>

<script>
  // import echarts from "echarts";
    export default {
        name: "ChinaMap",
        methods: {
          drawChart (){
            var data = [
              { name: '海门', value: 9 },
              { name: '鄂尔多斯', value: 12 },
              { name: '招远', value: 12 },
              { name: '舟山', value: 12 },
              { name: '齐齐哈尔', value: 14 },
              { name: '盐城', value: 15 },
              { name: '赤峰', value: 16 },
              { name: '青岛', value: 18 },
              { name: '乳山', value: 18 },
              { name: '金昌', value: 19 },
              { name: '泉州', value: 21 },
              { name: '莱西', value: 21 },
              { name: '日照', value: 21 },
              { name: '胶南', value: 22 },
              { name: '南通', value: 23 },
              { name: '拉萨', value: 24 },
              { name: '云浮', value: 24 },
              { name: '梅州', value: 25 },
              { name: '文登', value: 25 },
              { name: '上海', value: 25 },
              { name: '攀枝花', value: 25 },
              { name: '威海', value: 25 },
              { name: '承德', value: 25 },
              { name: '厦门', value: 26 },
              { name: '汕尾', value: 26 },
              { name: '潮州', value: 26 },
              { name: '丹东', value: 27 },
              { name: '太仓', value: 27 },
              { name: '曲靖', value: 27 },
              { name: '烟台', value: 28 },
              { name: '福州', value: 29 },
              { name: '瓦房店', value: 30 },
              { name: '即墨', value: 30 },
              { name: '抚顺', value: 31 },
              { name: '玉溪', value: 31 },
              { name: '张家口', value: 31 },
              { name: '阳泉', value: 31 },
              { name: '莱州', value: 32 },
              { name: '湖州', value: 32 },
              { name: '汕头', value: 32 },
              { name: '昆山', value: 33 },
              { name: '宁波', value: 33 },
              { name: '湛江', value: 33 },
              { name: '揭阳', value: 34 },
              { name: '荣成', value: 34 },
              { name: '连云港', value: 35 },
              { name: '葫芦岛', value: 35 },
              { name: '常熟', value: 36 },
              { name: '东莞', value: 36 },
              { name: '河源', value: 36 },
              { name: '淮安', value: 36 },
              { name: '泰州', value: 36 },
              { name: '南宁', value: 37 },
              { name: '营口', value: 37 },
              { name: '惠州', value: 37 },
              { name: '江阴', value: 37 },
              { name: '蓬莱', value: 37 },
              { name: '韶关', value: 38 },
              { name: '嘉峪关', value: 38 },
              { name: '广州', value: 38 },
              { name: '延安', value: 38 },
              { name: '太原', value: 39 },
              { name: '清远', value: 39 },
              { name: '中山', value: 39 },
              { name: '昆明', value: 39 },
              { name: '寿光', value: 40 },
              { name: '盘锦', value: 40 },
              { name: '长治', value: 41 },
              { name: '深圳', value: 41 },
              { name: '珠海', value: 42 },
              { name: '宿迁', value: 43 },
              { name: '咸阳', value: 43 },
              { name: '铜川', value: 44 },
              { name: '平度', value: 44 },
              { name: '佛山', value: 44 },
              { name: '海口', value: 44 },
              { name: '江门', value: 45 },
              { name: '章丘', value: 45 },
              { name: '肇庆', value: 46 },
              { name: '大连', value: 47 },
              { name: '临汾', value: 47 },
              { name: '吴江', value: 47 },
              { name: '石嘴山', value: 49 },
              { name: '沈阳', value: 50 },
              { name: '苏州', value: 50 },
              { name: '茂名', value: 50 },
              { name: '嘉兴', value: 51 },
              { name: '长春', value: 51 },
              { name: '胶州', value: 52 },
              { name: '银川', value: 52 },
              { name: '张家港', value: 52 },
              { name: '三门峡', value: 53 },
              { name: '锦州', value: 54 },
              { name: '南昌', value: 54 },
              { name: '柳州', value: 54 },
              { name: '三亚', value: 54 },
              { name: '自贡', value: 56 },
              { name: '吉林', value: 56 },
              { name: '阳江', value: 57 },
              { name: '泸州', value: 57 },
              { name: '西宁', value: 57 },
              { name: '宜宾', value: 58 },
              { name: '呼和浩特', value: 58 },
              { name: '成都', value: 58 },
              { name: '大同', value: 58 },
              { name: '镇江', value: 59 },
              { name: '桂林', value: 59 },
              { name: '张家界', value: 59 },
              { name: '宜兴', value: 59 },
              { name: '北海', value: 60 },
              { name: '西安', value: 61 },
              { name: '金坛', value: 62 },
              { name: '东营', value: 62 },
              { name: '牡丹江', value: 63 },
              { name: '遵义', value: 63 },
              { name: '绍兴', value: 63 },
              { name: '扬州', value: 64 },
              { name: '常州', value: 64 },
              { name: '潍坊', value: 65 },
              { name: '重庆', value: 66 },
              { name: '台州', value: 67 },
              { name: '南京', value: 67 },
              { name: '滨州', value: 70 },
              { name: '贵阳', value: 71 },
              { name: '无锡', value: 71 },
              { name: '本溪', value: 71 },
              { name: '克拉玛依', value: 72 },
              { name: '渭南', value: 72 },
              { name: '马鞍山', value: 72 },
              { name: '宝鸡', value: 72 },
              { name: '焦作', value: 75 },
              { name: '句容', value: 75 },
              { name: '北京', value: 79 },
              { name: '徐州', value: 79 },
              { name: '衡水', value: 80 },
              { name: '包头', value: 80 },
              { name: '绵阳', value: 80 },
              { name: '乌鲁木齐', value: 84 },
              { name: '枣庄', value: 84 },
              { name: '杭州', value: 84 },
              { name: '淄博', value: 85 },
              { name: '鞍山', value: 86 },
              { name: '溧阳', value: 86 },
              { name: '库尔勒', value: 86 },
              { name: '安阳', value: 90 },
              { name: '开封', value: 90 },
              { name: '济南', value: 92 },
              { name: '德阳', value: 93 },
              { name: '温州', value: 95 },
              { name: '九江', value: 96 },
              { name: '邯郸', value: 98 },
              { name: '临安', value: 99 },
              { name: '兰州', value: 99 },
              { name: '沧州', value: 100 },
              { name: '临沂', value: 103 },
              { name: '南充', value: 104 },
              { name: '天津', value: 105 },
              { name: '富阳', value: 106 },
              { name: '泰安', value: 112 },
              { name: '诸暨', value: 112 },
              { name: '郑州', value: 113 },
              { name: '哈尔滨', value: 114 },
              { name: '聊城', value: 116 },
              { name: '芜湖', value: 117 },
              { name: '唐山', value: 119 },
              { name: '平顶山', value: 119 },
              { name: '邢台', value: 119 },
              { name: '德州', value: 120 },
              { name: '济宁', value: 120 },
              { name: '荆州', value: 127 },
              { name: '宜昌', value: 130 },
              { name: '义乌', value: 132 },
              { name: '丽水', value: 133 },
              { name: '洛阳', value: 134 },
              { name: '秦皇岛', value: 136 },
              { name: '株洲', value: 143 },
              { name: '石家庄', value: 147 },
              { name: '莱芜', value: 148 },
              { name: '常德', value: 152 },
              { name: '保定', value: 153 },
              { name: '湘潭', value: 154 },
              { name: '金华', value: 157 },
              { name: '岳阳', value: 169 },
              { name: '长沙', value: 175 },
              { name: '衢州', value: 177 },
              { name: '廊坊', value: 193 },
              { name: '菏泽', value: 194 },
              { name: '合肥', value: 229 },
              { name: '武汉', value: 273 },
              { name: '大庆', value: 279 }
            ];
            var geoCoordMap = {
              海门: [121.15, 31.89],
              鄂尔多斯: [109.781327, 39.608266],
              招远: [120.38, 37.35],
              舟山: [122.207216, 29.985295],
              齐齐哈尔: [123.97, 47.33],
              盐城: [120.13, 33.38],
              赤峰: [118.87, 42.28],
              青岛: [120.33, 36.07],
              乳山: [121.52, 36.89],
              金昌: [102.188043, 38.520089],
              泉州: [118.58, 24.93],
              莱西: [120.53, 36.86],
              日照: [119.46, 35.42],
              胶南: [119.97, 35.88],
              南通: [121.05, 32.08],
              拉萨: [91.11, 29.97],
              云浮: [112.02, 22.93],
              梅州: [116.1, 24.55],
              文登: [122.05, 37.2],
              上海: [121.48, 31.22],
              攀枝花: [101.718637, 26.582347],
              威海: [122.1, 37.5],
              承德: [117.93, 40.97],
              厦门: [118.1, 24.46],
              汕尾: [115.375279, 22.786211],
              潮州: [116.63, 23.68],
              丹东: [124.37, 40.13],
              太仓: [121.1, 31.45],
              曲靖: [103.79, 25.51],
              烟台: [121.39, 37.52],
              福州: [119.3, 26.08],
              瓦房店: [121.979603, 39.627114],
              即墨: [120.45, 36.38],
              抚顺: [123.97, 41.97],
              玉溪: [102.52, 24.35],
              张家口: [114.87, 40.82],
              阳泉: [113.57, 37.85],
              莱州: [119.942327, 37.177017],
              湖州: [120.1, 30.86],
              汕头: [116.69, 23.39],
              昆山: [120.95, 31.39],
              宁波: [121.56, 29.86],
              湛江: [110.359377, 21.270708],
              揭阳: [116.35, 23.55],
              荣成: [122.41, 37.16],
              连云港: [119.16, 34.59],
              葫芦岛: [120.836932, 40.711052],
              常熟: [120.74, 31.64],
              东莞: [113.75, 23.04],
              河源: [114.68, 23.73],
              淮安: [119.15, 33.5],
              泰州: [119.9, 32.49],
              南宁: [108.33, 22.84],
              营口: [122.18, 40.65],
              惠州: [114.4, 23.09],
              江阴: [120.26, 31.91],
              蓬莱: [120.75, 37.8],
              韶关: [113.62, 24.84],
              嘉峪关: [98.289152, 39.77313],
              广州: [113.23, 23.16],
              延安: [109.47, 36.6],
              太原: [112.53, 37.87],
              清远: [113.01, 23.7],
              中山: [113.38, 22.52],
              昆明: [102.73, 25.04],
              寿光: [118.73, 36.86],
              盘锦: [122.070714, 41.119997],
              长治: [113.08, 36.18],
              深圳: [114.07, 22.62],
              珠海: [113.52, 22.3],
              宿迁: [118.3, 33.96],
              咸阳: [108.72, 34.36],
              铜川: [109.11, 35.09],
              平度: [119.97, 36.77],
              佛山: [113.11, 23.05],
              海口: [110.35, 20.02],
              江门: [113.06, 22.61],
              章丘: [117.53, 36.72],
              肇庆: [112.44, 23.05],
              大连: [121.62, 38.92],
              临汾: [111.5, 36.08],
              吴江: [120.63, 31.16],
              石嘴山: [106.39, 39.04],
              沈阳: [123.38, 41.8],
              苏州: [120.62, 31.32],
              茂名: [110.88, 21.68],
              嘉兴: [120.76, 30.77],
              长春: [125.35, 43.88],
              胶州: [120.03336, 36.264622],
              银川: [106.27, 38.47],
              张家港: [120.555821, 31.875428],
              三门峡: [111.19, 34.76],
              锦州: [121.15, 41.13],
              南昌: [115.89, 28.68],
              柳州: [109.4, 24.33],
              三亚: [109.511909, 18.252847],
              自贡: [104.778442, 29.33903],
              吉林: [126.57, 43.87],
              阳江: [111.95, 21.85],
              泸州: [105.39, 28.91],
              西宁: [101.74, 36.56],
              宜宾: [104.56, 29.77],
              呼和浩特: [111.65, 40.82],
              成都: [104.06, 30.67],
              大同: [113.3, 40.12],
              镇江: [119.44, 32.2],
              桂林: [110.28, 25.29],
              张家界: [110.479191, 29.117096],
              宜兴: [119.82, 31.36],
              北海: [109.12, 21.49],
              西安: [108.95, 34.27],
              金坛: [119.56, 31.74],
              东营: [118.49, 37.46],
              牡丹江: [129.58, 44.6],
              遵义: [106.9, 27.7],
              绍兴: [120.58, 30.01],
              扬州: [119.42, 32.39],
              常州: [119.95, 31.79],
              潍坊: [119.1, 36.62],
              重庆: [106.54, 29.59],
              台州: [121.420757, 28.656386],
              南京: [118.78, 32.04],
              滨州: [118.03, 37.36],
              贵阳: [106.71, 26.57],
              无锡: [120.29, 31.59],
              本溪: [123.73, 41.3],
              克拉玛依: [84.77, 45.59],
              渭南: [109.5, 34.52],
              马鞍山: [118.48, 31.56],
              宝鸡: [107.15, 34.38],
              焦作: [113.21, 35.24],
              句容: [119.16, 31.95],
              北京: [116.46, 39.92],
              徐州: [117.2, 34.26],
              衡水: [115.72, 37.72],
              包头: [110, 40.58],
              绵阳: [104.73, 31.48],
              乌鲁木齐: [87.68, 43.77],
              枣庄: [117.57, 34.86],
              杭州: [120.19, 30.26],
              淄博: [118.05, 36.78],
              鞍山: [122.85, 41.12],
              溧阳: [119.48, 31.43],
              库尔勒: [86.06, 41.68],
              安阳: [114.35, 36.1],
              开封: [114.35, 34.79],
              济南: [117, 36.65],
              德阳: [104.37, 31.13],
              温州: [120.65, 28.01],
              九江: [115.97, 29.71],
              邯郸: [114.47, 36.6],
              临安: [119.72, 30.23],
              兰州: [103.73, 36.03],
              沧州: [116.83, 38.33],
              临沂: [118.35, 35.05],
              南充: [106.110698, 30.837793],
              天津: [117.2, 39.13],
              富阳: [119.95, 30.07],
              泰安: [117.13, 36.18],
              诸暨: [120.23, 29.71],
              郑州: [113.65, 34.76],
              哈尔滨: [126.63, 45.75],
              聊城: [115.97, 36.45],
              芜湖: [118.38, 31.33],
              唐山: [118.02, 39.63],
              平顶山: [113.29, 33.75],
              邢台: [114.48, 37.05],
              德州: [116.29, 37.45],
              济宁: [116.59, 35.38],
              荆州: [112.239741, 30.335165],
              宜昌: [111.3, 30.7],
              义乌: [120.06, 29.32],
              丽水: [119.92, 28.45],
              洛阳: [112.44, 34.7],
              秦皇岛: [119.57, 39.95],
              株洲: [113.16, 27.83],
              石家庄: [114.48, 38.03],
              莱芜: [117.67, 36.19],
              常德: [111.69, 29.05],
              保定: [115.48, 38.85],
              湘潭: [112.91, 27.87],
              金华: [119.64, 29.12],
              岳阳: [113.09, 29.37],
              长沙: [113, 28.21],
              衢州: [118.88, 28.97],
              廊坊: [116.7, 39.53],
              菏泽: [115.480656, 35.23375],
              合肥: [117.27, 31.86],
              武汉: [114.31, 30.52],
              大庆: [125.03, 46.58]
            };
            var convertData = function (data) {
              var res = [];
              for (var i = 0; i < data.length; i++) {
                var geoCoord = geoCoordMap[data[i].name];
                if (geoCoord) {
                  res.push({
                    name: data[i].name,
                    value: geoCoord.concat(data[i].value)
                  });
                }
              }
              return res;
            };
            function renderItem(params, api) {
              var coords = [
                [116.7, 39.53],
                [103.73, 36.03],
                [112.91, 27.87],
                [120.65, 28.01],
                [119.57, 39.95]
              ];
              var points = [];
              // for (var i = 0; i < coords.length; i++) {
              //   points.push(api.coord(coords[i]));
              // }
              var color = api.visual('color');
              return {
                type: 'polygon',
                shape: {
                  points: this.$echarts.graphic.clipPointsByRect(points, {
                    x: params.coordSys.x,
                    y: params.coordSys.y,
                    width: params.coordSys.width,
                    height: params.coordSys.height
                  })
                },
                style: api.style({
                  fill: color,
                  stroke: echarts.color.lift(color)
                })
              };
            }
            var option = {
              backgroundColor: 'transparent',
              title: {
                text: '全国主要城市空气质量',
                subtext: 'data from PM25.in',
                sublink: 'http://www.pm25.in',
                left: 'center',
                textStyle: {
                  color: '#fff'
                }
              },
              tooltip: {
                trigger: 'item'
              },
              bmap: {
                center: [104.114129, 37.550339],
                zoom: 5,
                roam: true,
                mapStyle: {
                  styleJson: [
                    {
                      featureType: 'water',
                      elementType: 'all',
                      stylers: {
                        color: '#044161'
                      }
                    },
                    {
                      featureType: 'land',
                      elementType: 'all',
                      stylers: {
                        color: '#004981'
                      }
                    },
                    {
                      featureType: 'boundary',
                      elementType: 'geometry',
                      stylers: {
                        color: '#064f85'
                      }
                    },
                    {
                      featureType: 'railway',
                      elementType: 'all',
                      stylers: {
                        visibility: 'off'
                      }
                    },
                    {
                      featureType: 'highway',
                      elementType: 'geometry',
                      stylers: {
                        color: '#004981'
                      }
                    },
                    {
                      featureType: 'highway',
                      elementType: 'geometry.fill',
                      stylers: {
                        color: '#005b96',
                        lightness: 1
                      }
                    },
                    {
                      featureType: 'highway',
                      elementType: 'labels',
                      stylers: {
                        visibility: 'off'
                      }
                    },
                    {
                      featureType: 'arterial',
                      elementType: 'geometry',
                      stylers: {
                        color: '#004981'
                      }
                    },
                    {
                      featureType: 'arterial',
                      elementType: 'geometry.fill',
                      stylers: {
                        color: '#00508b'
                      }
                    },
                    {
                      featureType: 'poi',
                      elementType: 'all',
                      stylers: {
                        visibility: 'off'
                      }
                    },
                    {
                      featureType: 'green',
                      elementType: 'all',
                      stylers: {
                        color: '#056197',
                        visibility: 'off'
                      }
                    },
                    {
                      featureType: 'subway',
                      elementType: 'all',
                      stylers: {
                        visibility: 'off'
                      }
                    },
                    {
                      featureType: 'manmade',
                      elementType: 'all',
                      stylers: {
                        visibility: 'off'
                      }
                    },
                    {
                      featureType: 'local',
                      elementType: 'all',
                      stylers: {
                        visibility: 'off'
                      }
                    },
                    {
                      featureType: 'arterial',
                      elementType: 'labels',
                      stylers: {
                        visibility: 'off'
                      }
                    },
                    {
                      featureType: 'boundary',
                      elementType: 'geometry.fill',
                      stylers: {
                        color: '#029fd4'
                      }
                    },
                    {
                      featureType: 'building',
                      elementType: 'all',
                      stylers: {
                        color: '#1a5787'
                      }
                    },
                    {
                      featureType: 'label',
                      elementType: 'all',
                      stylers: {
                        visibility: 'off'
                      }
                    }
                  ]
                }
              },
              series: [
                {
                  name: 'pm2.5',
                  type: 'scatter',
                  coordinateSystem: 'bmap',
                  data: convertData(data),
                  encode: {
                    value: 2
                  },
                  symbolSize: function (val) {
                    return val[2] / 10;
                  },
                  label: {
                    formatter: '{b}',
                    position: 'right'
                  },
                  itemStyle: {
                    color: '#ddb926'
                  },
                  emphasis: {
                    label: {
                      show: true
                    }
                  }
                },
                {
                  name: 'Top 5',
                  type: 'effectScatter',
                  coordinateSystem: 'bmap',
                  data: convertData(
                    data
                      .sort(function (a, b) {
                        return b.value - a.value;
                      })
                      .slice(0, 6)
                  ),
                  encode: {
                    value: 2
                  },
                  symbolSize: function (val) {
                    return val[2] / 10;
                  },
                  showEffectOn: 'emphasis',
                  rippleEffect: {
                    brushType: 'stroke'
                  },
                  hoverAnimation: true,
                  label: {
                    formatter: '{b}',
                    position: 'right',
                    show: true
                  },
                  itemStyle: {
                    color: '#f4e925',
                    shadowBlur: 10,
                    shadowColor: '#333'
                  },
                  zlevel: 1
                },
                {
                  type: 'custom',
                  coordinateSystem: 'bmap',
                  renderItem: renderItem,
                  itemStyle: {
                    opacity: 0.5
                  },
                  animation: false,
                  silent: true,
                  data: [0],
                  z: -10
                }
              ]
            };
            var chartDom = document.getElementById('ChinaMap');
            var myChart = this.$echarts.init(chartDom);

            option && myChart.setOption(option);
            alert(45345)
          }
        },
      mounted () {
          this.drawChart()
        }
    }
</script>

<style scoped>

</style>
